Finding the Fourth Proportional to 1,095,777.59, 1,512,169.56 and 612,342.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095,777.59 : 1,512,169.56 = 612,342.72 : x
2. Step 2: Convert to fraction form
   1,095,777.59/1,512,169.56 = 612,342.72/x
3. Step 3: Cross multiply
   1,095,777.59x = 1,512,169.56 × 612,342.72
4. Step 4: Simplify right side
   1,095,777.59x = 925,966,021,471.60
5. Step 5: Solve for x
   x = 925,966,021,471.60/1,095,777.59
6. Step 6: Final answer
   x = 845,030.99